Questions 1061–1070 of 1300. Imported answers require independent review unless marked reviewed.

Topic practice 1300 questionsPage 107 of 130

Question 1

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Which one of the following matrices is singular?
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Question 1

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The solution of the equation

passing through the point

is
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Question 2

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For the given orthogonal matrix

,

The inverse is
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Question 2

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The graph of a function

is shown in the figure. For

to be a valid probability density function, the value of

is
Diagram for Civil Engineering question 2

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Question 3

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At the point

, the function

has
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Question 3

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A probability distribution with right skew is shown in the figure.
Diagram for Civil Engineering question 3

The correct statement for the probability distribution is
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Question 4

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A column of height h with a rectangular cross-section of size a×2a has a buckling load of P. If the cross-section is changed to 0.5a × 3a and its height changed to 1.5h, the buckling load of the redesigned column will be
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Question 4

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All the members of the plane truss (see figure), have the same properties in terms of area of cross-section (A) and modulus of elasticity (E).
Diagram for Civil Engineering question 4

For the loads shown on the truss, the statement that correctly represents the nature of forces in the members of the truss is:
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Question 5

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A steel column of ISHB 350 @72.4 kg/m is subjected to a factored axial compressive load of 200 kN. The load is transferred to concrete pedestal of grade M20 through a square base plate. Consider bearing strength of concrete as 0.45

, where

is the characteristic strength of concrete. Using limit state method and neglecting the self weight of base plate and steel column, the length of a side of the base plate to be provided is
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Question 5

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The setting time of cement is determined using
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